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Nitrogen fixation in root nodules of Alnus is brought about by:
Options
(a) Bradyrhizobium
(b) Clostridium
(c) Frankia
(d) Azorhizobium
Correct Answer:
Frankia
Explanation:
The most common symbiotic association of legume and bacteria on roots is as nodules, which are small outgrowth on the roots. The microbe Frankia is symbiotic in root nodules of several non-leguminous plants like Casurina and Alnus. Both Rhizobium and Frankia are free lilving in soil but can fix atmospheric nitrogen as symbionts.
Related Questions: - One mole of ATP on hydrolosis yield energy equivalent to
- In 1831 Robert Brown described
- Collagen fibres of connective tissue are
- The protein present in the bones is known as
- Axoneme having 9 + 2 doublet microtubule arrangement is found in
Question Type: Memory
(964)
Difficulty Level: Easy
(1008)
Topics: Plant Physiology
(28)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- One mole of ATP on hydrolosis yield energy equivalent to
- In 1831 Robert Brown described
- Collagen fibres of connective tissue are
- The protein present in the bones is known as
- Axoneme having 9 + 2 doublet microtubule arrangement is found in
Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Plant Physiology (28)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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